Home / 55,381.74-76,378.56-33,855.18

Finding the Fourth Proportional to 55,381.74, 76,378.56 and 33,855.18

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Solution

The fourth proportional to 55,381.74, 76,378.56 and 33,855.18 is: 46,690.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,381.74 : 76,378.56 = 33,855.18 : x
  2. Step 2: Convert to fraction form
    55,381.74/76,378.56 = 33,855.18/x
  3. Step 3: Cross multiply
    55,381.74x = 76,378.56 × 33,855.18
  4. Step 4: Simplify right side
    55,381.74x = 2,585,809,896.94
  5. Step 5: Solve for x
    x = 2,585,809,896.94/55,381.74
  6. Step 6: Final answer
    x = 46,690.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.